Specification:Item Type: Buddha MachineMaterial: PlasticSize: Approx. 9 x 6 x 2.5cm/3.5 x 2.4 x 1in (manual Measurement, There Are Small Errors)Application: Chanting, Chanting, Carrying Around, Giving Gifts, etc.Format: MP3Display: Led Broken ScreenCharging: Microusb InterfacePlay: 8-10H (Depending on the Volume)Support: Approx. 3.5mm/0.14in Headphone JackExpansion: TF CardBattery Type: Lithium Battery (shipped with Built-in Battery)Battery Model: 702530Battery Capacity: 500mAhHow to Use: function description and function display:(1) On/off and volume scroll wheel:Power on/Volume+: scroll wheel in the direction \"+\"Shut down/volume ‑: scroll wheel in the direction \"‑\"(2) Key function: (fast forward/rewind is the track selection of the song)1. \"Back\" button: short press to to the previous song to play, press to rewind2. \"Forward\" button: short press to to the song to play, press to fast forward3. Play/Stop button: pause/play the current content, short press to pause playback, short press to resume playback; if there is a built‑in TF card, press to switch TF card content4. Cycle button: In the state of TF card, the default setting is full cycle; in the state of built‑in track, only single track can be cycled5. Number keys: Short press \"0‑9\" number keys to select the corresponding track. Each time you press a number, the corresponding number will be displayed on the digital screen. After you stop pressing for 2 seconds, the corresponding track will automatically play, and the screen will be paused. Display \"PRU\", the screen displays \"ONE\" when the single is paused: all , the screen displays \"RLL\"Package List:1 x Buddha Machine1 x Rope1 x USB CableNote:Please allow 0‑2 cm error due to manual measurement. Thanks for your understanding.Please